Power Transformers - Board Mount

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DC/DC Converter Transformers

Würth Elektronik DC/DC Converter Transformers include the MID-PPTI, MID-PPMAX, MID-IBTI, MID-IBTEL, MID-IBMAX, MID-PLN, MID-HB, WE-FB, MID-FLYMAX, MID-FLYLT, and MID-FLYADI series. These transformers feature a wide range of options from output voltages, with or without AUX, THT, or SMT, and single or multiple outputs. Würth Elektronik DC/DC Converter Transformers are suitable for isolated DC/DC SMPS, industrial controls, building automation, and telecom converter applications.

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Part #

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

750311659
Wurth Elektronik
1: HK$27.21
1,400In Stock

Mfr. Part No.
750311659

Mouser Part No
710-750311659

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 1.9 W

Learn More

Datasheet

1,400In Stock

Cut Tape

HK$27.21

HK$25.24

Reel

HK$19.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

36 V to 72 V

24 V

1.9 W

80 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-FLYLT

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 800 mW

750315230
Wurth Elektronik
1: HK$32.80
1,173In Stock

Mfr. Part No.
750315230

Mouser Part No
710-750315230

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 800 mW

Learn More

Datasheet

1,173In Stock

Cut Tape

HK$32.80

HK$31.15

HK$26.22

Reel

HK$24.08

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

5 V

800 mW

150 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

9.14 mm

12.7 mm

7.62 mm

MID-PPMAX

Power Transformers - Board Mount MID-IBTI TPS55010RTER 2.5 uH 1 W

750311880
Wurth Elektronik
1: HK$29.76
1,111In Stock

Mfr. Part No.
750311880

Mouser Part No
710-750311880

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI TPS55010RTER 2.5 uH 1 W

Learn More

Datasheet

1,111In Stock

Cut Tape

HK$29.76

HK$26.14

HK$22.36

Reel

HK$22.36

HK$20.55

View

Min.: 1
Mult.: 1

: 300

Flyback Transformers

3 V to 6 V

5 V

1 W

200 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

9.78 mm

9.14 mm

10.54 mm

MID-IBTI

Power Transformers - Board Mount WE-FB LT3748 6.78 uH 12 W

750311911
Wurth Elektronik
1: HK$86.72
283In Stock

Mfr. Part No.
750311911

Mouser Part No
710-750311911

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 6.78 uH 12 W

Learn More

Datasheet

283In Stock

HK$86.72

HK$81.21

HK$77.68

HK$70.61

HK$63.54

Min.: 1
Mult.: 1

Flyback Transformers

8 V to 24 V

15 V, 15 V, 15 V, 15 V

12 W

200 mA, 200 mA, 200 mA, 200 mA

Through Hole

Dual Primary Winding

Quad Secondary Winding

22.2 mm

25 mm

16 mm

WE-FB

Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W

750312924
Wurth Elektronik
1: HK$27.95
1,816In Stock

Mfr. Part No.
750312924

Mouser Part No
710-750312924

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017 26 uH 1.6 W

Learn More

Datasheet

1,816In Stock

Cut Tape

HK$27.95

HK$26.55

HK$20.55

Reel

HK$20.55

View

MouseReel Available

Min.: 1
Mult.: 1

: 925

Flyback Transformers

36 V to 75 V

5 V, 10 V

1.6 W

80 mA, 120 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

8.35 mm

9.5 mm

6.35 mm

MID-IBTI

Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W

750311675
Wurth Elektronik
1: HK$71.51
745In Stock

Mfr. Part No.
750311675

Mouser Part No
710-750311675

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 25 uH 10 W

Learn More

Datasheet

745In Stock

Cut Tape

HK$71.51

HK$66.01

Reel

HK$45.37

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

9 V to 30 V

5 V

10 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

WE-FB

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W

750313439
Wurth Elektronik
1: HK$34.03
964In Stock

Mfr. Part No.
750313439

Mouser Part No
710-750313439

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8302 12 uH 6.6 W

Learn More

Datasheet

964In Stock

Cut Tape

HK$34.03

HK$31.48

Reel

HK$23.67

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 250

Flyback Transformers

8 V to 40 V

3.3 V

6.6 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

MID-FLYLT

Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W

750311783
Wurth Elektronik
1: HK$118.04
1,892In Stock

Mfr. Part No.
750311783

Mouser Part No
710-750311783

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 20 uH 60 W

Learn More

Datasheet

1,892In Stock

Cut Tape

HK$118.04

HK$110.56

HK$105.79

Reel

HK$96.17

HK$86.56

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

19 V to 70 V

24 V

60 W

2.5 A

SMD/SMT

Dual Primary Winding

Triple Secondary Winding

27.03 mm

32.31 mm

13.69 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W

750370047
Wurth Elektronik
1: HK$32.22
1,423In Stock

Mfr. Part No.
750370047

Mouser Part No
710-750370047

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 30 uH 5 W

Learn More

Datasheet

1,423In Stock

Cut Tape

HK$32.22

Reel

HK$32.22

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

10 V to 30 V

5 V

5 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.35 mm

10.8 mm

9.14 mm

WE-FB

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

750315830
Wurth Elektronik
1: HK$20.22
1,810In Stock

Mfr. Part No.
750315830

Mouser Part No
710-750315830

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 2.9 W

Learn More

Datasheet

1,810In Stock

Cut Tape

HK$20.22

HK$19.15

HK$16.19

Reel

HK$14.80

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

36 V to 72 V

48 V

2.9 W

60 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W

750310471
Wurth Elektronik
1: HK$60.17
317In Stock

Mfr. Part No.
750310471

Mouser Part No
710-750310471

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 25 uH 10 W

Learn More

Datasheet

317In Stock

Cut Tape

HK$60.17

HK$56.39

HK$53.92

HK$49.07

Reel

HK$44.14

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

9 V to 30 V

5 V

10 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.34 mm

15.24 mm

11.43 mm

WE-FB

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

750312365
Wurth Elektronik
1: HK$29.18
1,325In Stock

Mfr. Part No.
750312365

Mouser Part No
710-750312365

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8300 300 uH 3.6 W

Learn More

Datasheet

1,325In Stock

Cut Tape

HK$29.18

HK$19.56

Reel

HK$19.56

MouseReel Available

Min.: 1
Mult.: 1

: 400

POE - Power Over Ethernet Transformers

30 V to 72 V

12 V

3.6 W

300 mA

SMD/SMT

Dual Primary Winding

Single Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W

750317236
Wurth Elektronik
1: HK$61.32
1,148In Stock

Mfr. Part No.
750317236

Mouser Part No
710-750317236

Wurth Elektronik

Power Transformers - Board Mount MID-FLYMAX MAX17690 84 uH 3 W

Learn More

Datasheet

1,148In Stock

Cut Tape

HK$61.32

HK$56.55

Reel

HK$56.55

HK$38.88

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

18 V to 60 V

12 V

3 W

250 mA

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.5 mm

10.54 mm

MID-FLYMAX

Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W

750311567
Wurth Elektronik
1: HK$79.49
20In Stock
400Expected 20/8/2026

Mfr. Part No.
750311567

Mouser Part No
710-750311567

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3575 7 uH 15 W

Learn More

Datasheet

20In Stock

400Expected 20/8/2026

Cut Tape

HK$79.49

HK$74.47

HK$71.19

HK$64.77

Reel

HK$58.28

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

10 V to 40 V

5 V

15 W

3 A

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.34 mm

15.24 mm

11.43 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W

750311593
Wurth Elektronik
1: HK$118.04
140In Stock

Mfr. Part No.
750311593

Mouser Part No
710-750311593

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 15 uH 45 W

Learn More

Datasheet

140In Stock

Cut Tape

HK$118.04

HK$110.56

Reel

HK$110.56

HK$86.56

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

30 V to 75 V

5 V

45 W

9 A

SMD/SMT

Dual Primary Winding

Triple Secondary Winding

27.03 mm

32.31 mm

13.69 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W

750311856
Wurth Elektronik
1: HK$41.43
72In Stock
200Expected 3/12/2026

Mfr. Part No.
750311856

Mouser Part No
710-750311856

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 3.8 uH 9 W

Learn More

Datasheet

72In Stock

200Expected 3/12/2026

Cut Tape

HK$41.43

HK$38.47

HK$35.51

HK$32.55

Reel

HK$29.59

HK$24.41

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

16 V to 24 V

15 V, 15 V, 15 V, 15 V

9 W

150 mA, 150 mA, 150 mA, 150 mA

SMD/SMT

Dual Primary Winding

Quad Secondary Winding

13.97 mm

17.17 mm

12.7 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

750311590
Wurth Elektronik
1: HK$108.42
66In Stock
100Expected 6/8/2026

Mfr. Part No.
750311590

Mouser Part No
710-750311590

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 8 uH 45.6 W

Learn More

Datasheet

66In Stock

100Expected 6/8/2026

Cut Tape

HK$108.42

HK$101.52

Reel

HK$88.28

HK$79.49

MouseReel Available

Min.: 1
Mult.: 1

: 100

Flyback Transformers

20 V to 48 V

12 V

45.6 W

3.8 A

SMD/SMT

Dual Primary Winding

Triple Secondary Winding

27.03 mm

32.31 mm

13.69 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

750311600
Wurth Elektronik
1: HK$96.34
114In Stock

Mfr. Part No.
750311600

Mouser Part No
710-750311600

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 12 uH 30 W

Learn More

Datasheet

114In Stock

Cut Tape

HK$96.34

HK$90.26

Reel

HK$90.26

HK$70.61

MouseReel Available

Min.: 1
Mult.: 1

: 125

Flyback Transformers

30 V to 75 V

15 V

30 W

2 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

23.11 mm

29.08 mm

11.43 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W

750311456
Wurth Elektronik
1: HK$60.09
145In Stock

Mfr. Part No.
750311456

Mouser Part No
710-750311456

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3748 100 uH 12 W

Learn More

Datasheet

145In Stock

Cut Tape

HK$60.09

HK$55.81

Reel

HK$42.91

MouseReel Available

Min.: 1
Mult.: 1

: 200

Flyback Transformers

36 V

12 V

12 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

13.46 mm

17.75 mm

12.7 mm

WE-FB

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

750370041
Wurth Elektronik
1: HK$38.47
287In Stock
900On Order

Mfr. Part No.
750370041

Mouser Part No
710-750370041

Wurth Elektronik

Power Transformers - Board Mount WE-FB LT3573 50 uH 5 W

Learn More

Datasheet

287In Stock

900On Order

Cut Tape

HK$38.47

HK$35.26

HK$33.46

HK$31.56

Reel

HK$29.59

HK$27.29

MouseReel Available

Min.: 1
Mult.: 1

: 300

Flyback Transformers

18 V to 30 V

5 V

5 W

1 A

SMD/SMT

Single Primary Winding

Single Secondary Winding

9.78 mm

9.14 mm

10.54 mm

WE-FB

Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W

750314462
Wurth Elektronik
1: HK$39.21
98In Stock

Mfr. Part No.
750314462

Mouser Part No
710-750314462

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM5017MRX 45 uH 1.5 W

Learn More

Datasheet

98In Stock

Cut Tape

HK$39.21

HK$36.25

Reel

HK$27.29

MouseReel Available

Min.: 1
Mult.: 1

: 500

Flyback Transformers

16 V to 36 V

- 12 V, 5 V, 12 V

1.5 W

40 mA, 40 mA, 100 mA

SMD/SMT

Single Primary Winding

Triple Secondary Winding

12.95 mm

12.7 mm

5.98 mm

MID-IBTI

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW

750315232
Wurth Elektronik
1: HK$26.30
776In Stock

Mfr. Part No.
750315232

Mouser Part No
710-750315232

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14940 384 uH 500 mW

Learn More

Datasheet

776In Stock

Cut Tape

HK$26.30

HK$24.41

HK$20.63

Reel

HK$18.74

HK$15.45

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

3.3 V

5 V

500 mW

100 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

9.14 mm

12.7 mm

7.62 mm

MID-PPMAX

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

750315834
Wurth Elektronik
1: HK$20.22
37In Stock

Mfr. Part No.
750315834

Mouser Part No
710-750315834

Wurth Elektronik

Power Transformers - Board Mount MID-FLYLT LT8303 150 uH 3.5 W

Learn More

Datasheet

37In Stock

Cut Tape

HK$20.22

HK$19.15

Reel

HK$14.80

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 400

Flyback Transformers

36 V to 72 V

5 V, 5 V

3.5 W

350 mA, 350 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

10.16 mm

13.36 mm

8.64 mm

MID-FLYLT

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

750342156
Wurth Elektronik
1: HK$41.68
189In Stock

Mfr. Part No.
750342156

Mouser Part No
710-750342156

Wurth Elektronik

Power Transformers - Board Mount MID-IBTI LM20242 66 uH 15.2 W

Learn More

Datasheet

189In Stock

Cut Tape

HK$41.68

HK$38.55

HK$35.10

HK$31.89

Reel

HK$29.02

HK$26.30

MouseReel Available

Min.: 1
Mult.: 1

: 250

Power

15 V to 40 V

12.7 V, 12.7 V

15.2 W

600 mA, 600 mA

SMD/SMT

Single Primary Winding

Dual Secondary Winding

13.34 mm

15.24 mm

11.43 mm

MID-IBTI

Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW

750315231
Wurth Elektronik
1: HK$32.80
641In Stock
1,000Expected 17/9/2026

Mfr. Part No.
750315231

Mouser Part No
710-750315231

Wurth Elektronik

Power Transformers - Board Mount MID-PPMAX MAX14855 384 uH 600 mW

Learn More

Datasheet

641In Stock

1,000Expected 17/9/2026

Cut Tape

HK$32.80

HK$31.15

HK$26.22

Reel

HK$24.08

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 500

Signal Transformers

3.3 V

5 V

600 mW

125 mA

SMD/SMT

Dual Primary Winding

Dual Secondary Winding

9.14 mm

12.7 mm

7.62 mm

MID-PPMAX

DC/DC Converter Transformers

Customer Service Office

Company

Resources

Support

2 V to 5.5 V
2.5 V to 3.5 V
3 V to 24 V
3 V to 6 V
3.3 V
4 V to 8 V
5 V
5 V to 32 V
6 V to 12.6 V
8 V to 15 V
8 V to 24 V
8 V to 28 V
8 V to 32 V
8 V to 40 V
8 V to 70 V
9 V to 15 V
9 V to 16 V
9 V to 18 V
9 V to 30 V
9 V to 36 V

- 200 V, 200 V
- 150 V, 150 V
- 17.5 V, 17.5 V
- 15 V, - 7.5 V, 7.5 V, 15 V
- 15 V, 15 V
- 12 V, 12 V, 24 V
- 12 V, 5 V, 12 V
- 10 V, - 5 V, 5 V, 10 V
- 7 V, - 5 V, 5 V, 7 V
- 7 V, 7 V
- 5 V, - 5 V, 12 V, 12 V
- 5 V, 5 V
- 5 V, 5 V, 15 V
- 5 V, 5 V, 24 V
3.3 V
3.3 V, 24 V
3.3 V, 3.3 V
3.63 V
4.29 V
5 V

100 mW
150 mW
300 mW
500 mW
600 mW
700 mW
800 mW
900 mW
1 W
1.1 W
1.2 W
1.3 W
1.4 W
1.5 W
1.6 W
1.7 W
1.8 W
1.9 W
2 W
2.1 W

1 mA
1 mA, 1 mA
2 mA, 2 mA
5 mA, 30 mA
15 mA
20 mA, 20 mA, 100 mA
20 mA, 40 mA, 40 mA
20 mA, 40 mA, 50 mA
25 mA, 25 mA, 80 mA, 80 mA
25 mA, 50 mA
30 mA
30 mA, 30 mA
30 mA, 30 mA, 80 mA, 80 mA
30 mA, 45 mA
33 mA, 100 mA, 100 mA
35 mA, 35 mA
40 mA, 40 mA, 100 mA
45 mA
50 mA
50 mA, 50 mA

6.6 mm
6.73 mm
7 mm
8.26 mm
8.35 mm
9.14 mm
9.78 mm
10 mm
10.16 mm
10.8 mm
12.95 mm
13.34 mm
13.35 mm
13.46 mm
13.72 mm
13.97 mm
14.22 mm
14.6 mm
15.24 mm
15.49 mm

6.91 mm
8.26 mm
8.6 mm
9.1 mm
9.14 mm
9.5 mm
9.78 mm
10.05 mm
10.41 mm
10.46 mm
10.8 mm
12.21 mm
12.7 mm
12.85 mm
12.95 mm
13.34 mm
13.35 mm
13.36 mm
14 mm
14.21 mm

4 mm
4.19 mm
5 mm
5.59 mm
5.97 mm
5.98 mm
6.35 mm
6.99 mm
7.62 mm
7.8 mm
8.5 mm
8.64 mm
9.14 mm
9.4 mm
9.65 mm
10.41 mm
10.54 mm
11.43 mm
12 mm
12.7 mm